-This wireless motion sensor combines PIR sensor with 2.4G RF remote functions, -use this separated motion sensor as a remote, put anywhere you need (within 6-8 meter from paired lights), -when it detects motion, it will send signal to turn on lights, and turn off in 30sec after latest detected motion.-pack of 2pcs,3000-6500K,550-800lumens,E27,9W-12W